*{
	padding:0;
	margin:0;
}

#box{
	width:300px;
	height:300px;
	margin:50px auto;
	position: relative;
}
#box .img1{
	width:300px;
	height:300px;
}
#small{
	width:100px;
	height:100px;
	background:#eee;
	opacity:.4;
	filter:alpha(opacity=40);
	position:absolute;
	display: none;
}
#big{
	display: none;
	width:500px;
	height:500px;
	position: absolute;
	left:350px;
	top:-30px;
	overflow: hidden;
	border:1px solid #eee;
}
#big .img2{
	position: absolute;
	width:1000px;
	height:1000px;
	left:0;
	top:0;
}










